# NATS — zappier-edge Zapier cloud still never connects to NATS. The edge process **does** publish and request on the private billing bus. | Direction | Address | Peer | Body | |-----------|---------|------|------| | IN HTTPS | `/v1/*` | Zapier Platform app | JSON + `x-api-key` | | OUT HTTPS | middleware `/zapier/v1/*` | verae-middleware | same tenant request | | OUT NATS | `verae.billing.usage.recorded` | account-balance | meter event | | OUT NATS | `verae.billing.payment.recorded` | account-balance / others | portal reload | | OUT NATS | `verae.billing.credit.applied` | account-balance / others | admin/CS credit | | OUT NATS | `verae.billing.statement.get` | account-balance | portal/admin review | | OUT NATS | `verae.billing.balance.adjust` | account-balance | prepaid mutation | Jobs, archive, and webhooks stay on middleware workers.